glsl_struct_field(const struct glsl_type *_type, const char *_name)
: type(_type), name(_name), location(-1), interpolation(0), centroid(0),
sample(0), matrix_layout(GLSL_MATRIX_LAYOUT_INHERITED), patch(0),
glsl_struct_field(const struct glsl_type *_type, const char *_name)
: type(_type), name(_name), location(-1), interpolation(0), centroid(0),
sample(0), matrix_layout(GLSL_MATRIX_LAYOUT_INHERITED), patch(0),